Ricoh Mp C3000 Service Manual
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SM 4-9 B230/B237/D042 Trouble shooting 4.3 SERVICE CALL CONDITIONS 4.3.1 SUMMARY The ‘SC Table’ section shows the SC codes for controller errors and other errors. The latter (not controller errors) are put into four types. The type is determined by their reset procedures. The table shows the classification of the SC codes. Key Definition Reset Procedure Controller errors CTL The error has occurred in the controller. See “Troubleshooting Procedure” in the table. A The error involves the fusing unit. The machine operation is disabled. The user cannot reset the error. Turn the main switch off and on. Reset the SC (set SP5-810-1). Turn the main switch off and on. B The error involves one or some specific units. The machine operates as usual, excluding the related units. Turn the operation switch off and on. C The error is logged. The SC-code history is updated. The machine operates as usual. The SC will not show. Only the SC history is updated. Other errors D The machine operation is disabled. You can reset the machine by turning the operation switch or main switch off and on. If the error occurs again, the same SC code is displayed. Turn the operation switch or main power switch off and on. After you turn the main power switch off, wa it for one second or more before you turn the main power switch on ( SC 672). All SCs are logged. The print log data (SP5-990-004) in SP mode can check the latest 10 SC c odes detected and total counters when the SC
B230/B237/D042 4-10 SM code is detected. ƒ If the problem is related electrical circuit boards, first di sconnect then reconnect the connectors before yo u replace the PCBs. ƒ If the problem concerns a motor lock, first check the mechanical load before you replace motors or sensors. SC Code Classification The table shows the classification of the SC codes: Class 1 Section SC CodeDetailed section 100 - Scanner 1XX Scanning 190 - Unique for a specific model 200 - Polygon motor 220 - Synchronization control 230 - FGATE signal related 240 - LD control 260 - Magnification 2XX Laser exposure 280 - Unique for a specific model 300 - Charge 330 - Drum potential 350 - Development 3XX Image development 1 380 - Unique for a specific model 400 - Image transfer 420 - Paper separation 430 - Cleaning 440 - Around drum 4XX Image development 2 460 - Unit
SM 4-11 B230/B237/D042 Trouble shooting Class 1 Section SC CodeDetailed section 480 - Others 500 - Paper feed 515 - Duplex 5XX Paper feed / Fusing 520 - Paper transport 530 - Fan motor 540 - Fusing 560 - Others 5XX Paper feed / Fusing 570 - Unique for a specific model 600 - Electrical counters 620 - Mechanical counters 630 - Account control 640 - CSS 650 - Network 670 - Internal data processing 6XX Communication 680 - Unique for a specific model 700 - Original handling 720 - Two-tray finisher 7XX Peripherals 740 - Booklet finisher 800 - Error after ready condition 820 - Diagnostics error 860 - Hard disk 8XX Controller 880 - Unique for a specific model
B230/B237/D042 4-12 SM Class 1 Section SC CodeDetailed section 900 - Counter 920 - Memory 9XX Others 990 - Others
SM 4-13 B230/B237/D042 Trouble shooting 4.4 SC TABLE No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Exposure lamp error -001: Shading at AGC -002: Shading at scanning The peak white level is less than 64/255 digits (8 bits) when scanning the shading plate. (The shading data peak does not reach the specified threshold) ƒ Exposure lamp defective ƒ Lamp stabilizer defective ƒ Exposure lamp connector defective ƒ Standard white plate dirty ƒ Scanner mirror or scanner lens out of position or dirty ƒ SBU defective 101 D 1. Check and clean the scanner mirror(s) and scanner lens. 2. Check and clean the shading plate. 3. Replace the exposure lamp. 4. Replace the lamp stabilizer. 5. Replace the scanner mirror(s) or scanner lens. 6. Replace the SBU. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Scanner home position error 1 The scanner home position sensor does not detect the “OFF” condition during operation. 120 D ƒ Scanner motor driver defective ƒ Scanner motor defective ƒ Harness between SIO board and scanner motor disconnected ƒ Scanner HP sensor defective ƒ Harness between SBU and HP sensor disconnected
B230/B237/D042 4-14 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) 1. Check the cable connection between the SIO board and scanner motor. 2. Check the cable connection between the SBU and HP sensor. 3. Replace the scanner motor. 4. Replace the HP sensor. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Scanner home position error 2 The scanner home position sensor does not detect the “ON” condition during operation. ƒ Scanner motor driver defective ƒ Scanner motor defective ƒ Harness between SIO board and scanner motor disconnected ƒ Scanner HP sensor defective ƒ Harness between SBU and HP sensor disconnected 121 D 1. Check the cable connection between the SIO board and scanner motor. 2. Check the cable connection between the SBU and HP sensor. 3. Replace the scanner motor. 4. Replace the HP sensor. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Black level detection error -001: After the home position detection -002: After the AGC The black level cannot be adjusted wi thin the target value during the zero clamp. ƒ Defective SBU 141 D 1. Replace the SBU.
SM 4-15 B230/B237/D042 Trouble shooting No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) White level detection error The white level cannot be adjusted within the target during auto gain control. ƒ Dirty exposure glass or optics section ƒ SBU board defective ƒ Exposure lamp defective ƒ Lamp stabilizer defective 142 D 1. Clean the exposure glass, wh ite plate, mirrors, and lens. 2. Check if the exposure lamp is lit during initialization. 3. Check the harness connec tion between SBU and BICU. 4. Replace the exposure lamp. 5. Replace the SBU board. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) 144 SBU communication error SBU connection error The SBU connection cannot be detected at power on or recovery from the energy save mode. ƒ Insufficient power supply for SBU ƒ Defective SBU ƒ Defective harness ƒ Defective detection port on the BICU -001 D 1. Replace the harness. 2. Replace the SBU. 3. Replace the BICU. SBU serial communication error -002 D The power ON of the SBU is not detected.
B230/B237/D042 4-16 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) ƒ Defective SIO ƒ Defective harness ƒ Defective detection port on the BICU 1. Replace the harness. 2. Replace the SIO. 3. Replace the BICU. GASBU reset error The serial communication does not work. ƒ Defective SBU ƒ Defective detection circuit on the BICU ƒ Defective harness -003 D 1. Replace the SBU. 2. Replace the BICU. 3. Replace the harness. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) IPU error The error result of self-diagnostic by the Taurus (ASIC on the IPU) is detected. ƒ Defective BICU ƒ Defective connection between BICU and SBU 161 D 1. Check the connection between BICU and SBU. 2. Replace the BICU.
SM 4-17 B230/B237/D042 Trouble shooting No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Copy Data Security Unit error ƒ The copy data security board is not detected when the copy data security function is set ON with the initial setting. ƒ A device check error occurs when the copy data security function is set ON with the initial setting. ƒ Incorrect installation of the copy data security board ƒ Defective copy data security board 165 D 1. Reinstall the copy data security board. 2. Replace the copy data security board. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Serial Number Mismatch ƒ Serial number stored in the memory does not have the correct code. ƒ NVRAM defective ƒ BICU replaced without original NVRAM 195 D 1. Check the serial number with SP5-811-002. 2. If the stored serial number is incorrect, contact your supervisor.
B230/B237/D042 4-18 SM No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures) Polygon motor error 1: ON timeout The polygon mirror motor does not reach the targeted operating speed within the specified time af ter turning on or changing speed ƒ Defective or disconnected harness to polygon motor driver board ƒ Defective polygon motor driver board ƒ Defective polygon motor. 202 D 1. Replace the polygon motor. 2. Replace the laser optics housing unit. 3. Replace the harness. 4. Replace the BICU. No. Type Details (Symptom, Possible C ause, Troubleshooting Procedures) Polygon motor error 2: OFF timeout The polygon mirror motor does leave the READY status within 3 seconds after the polygon motor switches off. ƒ Disconnected or defective harness to polygon motor driver board ƒ Defective polygon motor driver board ƒ Defective polygon motor 203 D 1. Check or replace the harness. 2. Replace the polygon motor.